Roughhousing is a term that is typically used to describe the playful physical activity of children or animals. However, there are a variety of synonyms that can be used to describe this type of behavior. Some possible options include wrestling, tussling, playing rough, horsing around, or engaging in rough play. These terms all convey a sense of playful physical activity, but they may have slightly different connotations depending on the context in which they are used. Ultimately, the choice of synonym will depend on the intended tone and audience of the communication.